#include "apue.h"

int
main(int argc, char * argv[])
{
    int i;
    struct stat buf; // 文件信息结构体
    char * ptr;
    for(i = 1; i< argc; i++){
        printf("%s: ", argv[i]);
        if(lstat(argv[i], &buf) < 0){
            err_ret("lstat error");
            continue;
        }

        if(S_ISREG(buf.st_mode))
            ptr = "regular";
        else if(S_ISDIR(buf.st_mode))
            ptr = "directory";
        else if(S_ISCHR(buf.st_mode))
            ptr = "character special";
        else if(S_ISBLK(buf.st_mode))
            ptr = "block special";
        else if(S_ISFIFO(buf.st_mode))
            ptr = "fifo";
        else if(S_ISLNK(buf.st_mode))
            ptr = "symbolic link";
        else if(S_ISSOCK(buf.st_mode))
            ptr = "socket";
        
        printf("%s\n", ptr);
    }
    return 0;
}